package com.song.mall.cart.vo;

import java.math.BigDecimal;
import java.util.List;

/**
 * @author 宋超
 * HP - the login name of the current user.
 * 2021/10/6 - the current system date.
 * 19:48 - the current system time.
 * 购物车
 */
public class Cart {

    List<CartItem> items;

    private Integer countNum;//商品数量

    private Integer countType;//商品类型数量

    private BigDecimal reduce = new BigDecimal("0");//减免价格

    public BigDecimal getTotalAmount() {
        //1、计算购物项总价
        BigDecimal amount = new BigDecimal("0");
        if (items!=null&&items.size()>0){
            for (CartItem item : items) {
                BigDecimal totalPrice = item.getTotalPrice();
                amount = amount.add(totalPrice);
            }
        }
        //2 、减去优惠总价
        BigDecimal subtract = amount.subtract(getReduce());
        return subtract;
    }


    private BigDecimal totalAmount;//总金额

    public List<CartItem> getItems() {
        return items;
    }

    public void setItems(List<CartItem> items) {
        this.items = items;
    }

    public Integer getCountNum() {
        int count = 0;
        if (items!=null&&items.size()>0){
            for (CartItem item : items) {
                count+= item.getCount();
            }
        }
        return count;
    }


    public Integer getCountType() {
        int count = 0;
        if (items!=null&&items.size()>0){
            for (CartItem item : items) {
                count+= 1;
            }
        }
        return count;
    }


    public BigDecimal getReduce() {
        return reduce;
    }

    public void setReduce(BigDecimal reduce) {
        this.reduce = reduce;
    }
}
